Cobalt

#2F43B1

Blue

Color Codes

All color formats for development

HEX
#2F43B1
RGB
rgb(47, 67, 177)
HSL
hsl(231, 58%, 44%)
OKLCH
oklch(0.439 0.175 269.6)
CMYK
cmyk(73%, 62%, 0%, 31%)

Accessibility

WCAG contrast compliance

On White Background

8.21:1

AA AAA

On Black Background

2.56:1

AA AAA
Run full accessibility check

Tailwind Scale

50-950 scale matching Tailwind CSS naming

50
#F3F4
100
#E3E6
200
#CBD0
300
#A2AD
400
#7282
500
#4A5E
600
#2F43
700
#2535
800
#1B26
900
#1118
950
#0B0F

Shades

Darker variations

1#2A3CA0
2#26358E
3#212F7C
4#1C286A
5#182159
6#131B47
7#0E1435
8#090D23
9#050712

Tints

Lighter variations

1#354BC8
2#4B5ECF
3#6172D5
4#7887DB
5#8E9BE1
6#A5AFE7
7#BBC3ED
8#D2D7F3
9#E8EBF9

Tones

Muted variations

1#3647AB
2#3C4CA4
3#43509E
4#495597
5#505991
6#565E8A
7#5D6384
8#63677D
9#6A6C77

Usage Guidelines

Recommended use cases for each shade level

LevelColorTypical Use Cases
50
F3F4
#F3F4FC
BackgroundsSubtle highlightsCard backgrounds
100
E3E6
#E3E6F8
Light backgroundsTable row hoverSkeleton loading
200
CBD0
#CBD0F1
Secondary backgroundsInput backgroundsDividers
300
A2AD
#A2ADE6
BordersInactive statesPlaceholder text
400
7282
#7282DA
Disabled statesSecondary iconsMuted text
500
4A5E
#4A5ECF
Primary brand colorCTAsActive elementsLinks
600
2F43
#2F43B1
Hover statesFocus ringsPrimary buttons hover
700
2535
#25358D
Active/pressed statesDark mode accentsSecondary text
800
1B26
#1B2665
Text on light backgroundsHeadingsStrong borders
900
1118
#111840
Primary textHigh emphasis contentDark headings
950
0B0F
#0B0F28
Maximum contrast textDark mode backgrounds

Export Code

Copy ready-to-use code for your project

:root {
  --cobalt-50: #F3F4FC;
  --cobalt-100: #E3E6F8;
  --cobalt-200: #CBD0F1;
  --cobalt-300: #A2ADE6;
  --cobalt-400: #7282DA;
  --cobalt-500: #4A5ECF;
  --cobalt-600: #2F43B1;
  --cobalt-700: #25358D;
  --cobalt-800: #1B2665;
  --cobalt-900: #111840;
  --cobalt-950: #0B0F28;
}
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